Humboldt bay generation station presentation
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The Humboldt Bay Generating Station originally used biomass and salvaged fuel oil to produce electricity but has since transitioned to using natural gas. It was also briefly used for nuclear power production but is now being decommissioned. The station currently uses natural gas in reciprocating parallel engines which provide increased efficiency over steam turbines. Ongoing research aims to further improve engine efficiency and reduce emissions through advanced reciprocating engine systems. Decommissioning of the site is scheduled to be completed by December 31, 2015.
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- Methodology to evaluate and compare the engine's performance and emissions on hydrogen versus its original kerosene/gasoline fuel.
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- The tour visited the Ghazi Barotha dam project located 100km from Islamabad on the Indus River.
- The dam diverts water through a 52km channel to a 1,450MW powerhouse, dropping 76m over 63km.
- The project includes a dam, power channel, power complex, and 340km of transmission lines.
- The run-of-river project aims to meet Pakistan's peak electricity demand in the evenings.
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Humboldt bay generation station presentation
- 1. Humboldt Bay Generating Station Presented by, Daniel and http://www.pge.com/about/environment/pge/minimpact/humboldtbay/ Miles
- 2. •Originally used History •1947, biomass to salvaged a produce Russian electricity tanker for supplemental energy http://khum.com/sites/default/files/pictures/donbass_0.bmp
- 3. History Cont. •Nuclear power was the next type of power production •Closed for repair then later decommissioned •Decommissionin g will be completed by December 31, 2015 http://online.redwoods.edu/instruct/colloquium/0607/
- 4. Generating Electricity • Most power plants use fuel to generate steam that drives a turbine. • These thermal power stations generally have an efficiency between 30% and 50% • Humboldt Bay has primarily used biomass and natural gas as fuels used for steam turbines. http://geothermal.marin.org/geopresentation/sld038.htm
- 5. Natural Gas as a Fuel •Low production costs •Low transport costs once pipeline is installed •Stable national supplies and energy security • Fuel versatility and flexibility • Reduced environmental impact and emissions compared to biomass or coal http://arstechnica.com/security/2012/0 8/natural-gas-producer-knocked- Natural gas seems logical for Humboldtoffline-by-malware-attack /
- 6. Engine Generation • Natural gas pipeline already in place • Uses natural gas to power an engine instead of producing steam • Increased efficiency • Fuel flexibility • Difficult to make and maintain the exceptionally large engine that would be required to power a city http://www.schatzlab.org/news/tag/california-energy-commission /
- 7. Reciprocating Parallel Engines • Instead of one big engine, utilize ten smaller engines running in parallel • For a generator to perform at maximum efficiency, it generally needs to be running at full capacity • Using smaller engines, only a few engines need to be turned on and performing at maximum during non-peak times http://www.pge.com/about/environment/pge/minimpact/humboldtbay/
- 8. Ongoing Research •Advanced Reciprocating Engine Systems (ARES) •Goals of ARES: •50% Brake Thermal Eff. •Max .1 gm /bhp-hr Nox emissions •Maintenance costs of $.01 EkW –hr •Cost competitiveness http://www1.eere.energy.gov/manufacturing/distributedenergy/pdfs/recip_engines_brochu re.pdf
- 9. References •http://www.pge.com/about/environment/pge/minimpact/humboldtbay/ •Oppenheimer, Natural Gas: The Best Energy Source, Pen & Podium Inc, 1989, 99 •Kazmi SK. Generating electricity on natural gas. Pakistan & Gulf Economist. 2012;31(36):52-3. •http://www.energy.ca.gov/sitingcases/humboldt/documents/applicant/afc/ Volume_01/Section%202.0%20Project%20Description.pdf •Sridhar G., Paul P.J., Mukunda H.S. "Biomass derived producer gas as a reciprocating engine fuel-an experimental analysis".Biomass & Bioenergy. 2000 •Dorf, Richard C. "Components of Cogeneration Systems." The Engineering Handbook. 2nd ed. Hoboken: CRC, 2004. 75-12. Print •http://www.wartsila.com/en/references/humboldt-bay •http://www1.eere.energy.gov/manufacturing/distributedenergy/pdfs/recip _engines_brochure.pdf